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Cushion|Lab Grown|IGI

1.54ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG668454501

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG668454501

Diamond specifications and retailer prices

From $579 USD
As of November 1, 2026
Save $831 USD (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,410 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG668454501 or 668454501. Listed at 12 retailers as of November 1, 2026, with prices from $579 to $1,410, a $831 spread on the same certified stone. MOH London lists it at $1,410. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668454501
Dimensions6.81 × 6.70 × 4.55 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.81 mm6.70 mm1.54 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668454501
Side View
Table 65.0%Crown 36°Girdle: MED-THKPavilion 41.3°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,410 USD|Low: $352 USD|High: $1,427 USD|Avg: $773 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$352 USD
Retailer 8$376 USD
Retailer 12$579 USD
Retailer 7$580 USD
Retailer 5$606 USD
Retailer 3$614 USD
Retailer 2$621 USD
Retailer 4$654 USD
Retailer 6$818 USD
Retailer 9$1,353 USD
Retailer 10$1,371 USD
MOH London$1,410 USD

40 data points across 12 retailers

12 retailers$579 USD to $1,410 USD

Retailer 1
-
$352 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$579 USD
View
A
Retailer 3
-
$580 USD
View
A
Retailer 4
-
$606 USD
View
A
Retailer 5
-
$614 USD
View
A
Retailer 6
-
$621 USD
View
A
Retailer 7
-
$654 USD
View
Retailer 8
-
$818 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$1,181 USD
View
B
Retailer 10
-
$1,353 USD
View
B
Retailer 11
-
$1,371 USD
View
Most Expensive
B
MOH London
LG668454501 · Nov 1
$1,410 USD
£1,110 GBP
View
11 more retailers have this diamond
Prices start from $579 USDSave up to $831 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.54ct Cushion
$579 USD